<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>圣杯</title>
    <style>
        .header,.footer{
            height: 80px;
            background-color: olivedrab;
        }
        .container{
            overflow:hidden;
            padding: 0 220px 0 200px;
        }
        .middle,.left,.right{
            float: left;
            position: relative;
            min-height: 200px;
            word-break: break-all;
        }
        .middle{
            width: 100%;
            background-color: orange;
        }
        .left{
            margin-left: -100%;
            width: 200px;
            left: -200px;
        }
        .right{
            width: 220px;
            margin-left: -220px;
            right: -220px;

        }
    </style>
</head>

<body>
    <div class="header">header</div>
    <div class="container">
        <div class="middle">
            middlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddlemiddle
        </div>
        <div class="left">
            leftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleftleft
        </div>
        <div class="right">
            rightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightrightright
        </div>
    </div>
    <div class="footer">footer</div>
</body>
</html>